Home
Show Map

O'Fallon

in St. Charles (Missouri)

Contents: City

The population development of O'Fallon as well as related information and services (weather, Wikipedia, Google, images).

Name CountyPopulation
Census
1990-04-01
Population
Census
2000-04-01
Population
Census
2010-04-01
Population
Census
2020-04-01
Population
Estimate
2023-07-01
 
O'FallonSt. Charles21,55849,26479,59991,33294,074

Source: U.S. Census Bureau.

Explanation: Latest available rebased population figures are used. In case of significant changes, they were recalculated by using census block data.


Further information about the population structure:

Gender (C 2020)
Males44,203
Females47,113
Age Groups (C 2020)
0-17 years23,741
18-64 years55,453
65+ years12,122
Age Distribution (C 2020)
80+ years2,975
70-79 years5,307
60-69 years9,021
50-59 years12,449
40-49 years12,952
30-39 years12,729
20-29 years9,659
10-19 years14,124
0-9 years12,100
Urbanization (C 2020)
Rural36
Urban91,280
»Race« (C 2020)
White75,133
Black/African American4,620
Indigenous205
Asian3,704
Pacific Islander88
Some other1,334
2 or more6,232
Ethnicity (C 2020)
Hispanic or Latino3,639
Other87,677

Located in: